package com.sky.service.impl;


import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.CategoryDTO;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
import com.sky.mapper.CategoryMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;

@Service
public class CategoryServiceImpl implements CategoryService {

    @Autowired
    private CategoryMapper categoryMapper;

    /**
     * 新增分类
     * @param categoryDTO
     */
    @Override
    public void save(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO, category);

        category.setStatus(StatusConstant.DISABLE);

        category.setCreateTime(LocalDateTime.now());
        category.setUpdateTime(LocalDateTime.now());
        category.setCreateUser(BaseContext.getCurrentId());
        category.setUpdateUser(BaseContext.getCurrentId());

        categoryMapper.insert(category);
    }


    /**
     * 分类分页查询
     * @param categoryPageQueryDTO
     * @return
     */
    @Override
    public PageResult query(CategoryPageQueryDTO categoryPageQueryDTO) {
        //开启分页
        PageHelper.startPage(categoryPageQueryDTO.getPage(),categoryPageQueryDTO.getPageSize());
        Page<Category> page = categoryMapper.query(categoryPageQueryDTO);
        long total = page.getTotal();
        List<Category> categoryDTOS = page.getResult();
        PageResult pageResult = new PageResult();
        pageResult.setTotal(total);
        pageResult.setRecords(categoryDTOS);
        return pageResult;
    }

    /**
     * 修改分类信息
     * @param categoryDTO
     */
    @Override
    public void update(CategoryDTO categoryDTO) {
        Category category = new Category();
        BeanUtils.copyProperties(categoryDTO, category);
        categoryMapper.update(category);

    }

    /**
     * 根据id删除分类
     * @param id
     * @return
     */
    @Override
    public void delete(Integer id) {
        categoryMapper.delete(id);
    }


    /**
     * 启用和禁用分类
     * @param status
     * @param id
     * @return
     */
    @Override
    public void startOrStop(Integer status, Long id) {

        Category category = Category.builder()
                .id(id)
                .status(status)
                .updateTime(LocalDateTime.now())
                .updateUser(BaseContext.getCurrentId())
                .build();
        categoryMapper.update(category);
    }
}
